Re: [Debconf-discuss] btrfs deduplication / bedup users at DebConf13?
On Fri, Aug 16, 2013 at 10:33:54AM +0200, Stefano Zacchiroli wrote:
> On Thu, Aug 15, 2013 at 10:26:32PM -0300, Rogério Brito wrote:
> > If you only need to use this coarse deduplication, then take a look at
> > rdfind, instead of hardlink. Hardlink compares the files that are
> > likely to be the same (e.g., same size) byte by byte, while rdfind
> > uses hashes (md5 or sha1, at your option) to compare the files.
>
> Right, I'm benchmarking this option as we speak. Given we already have
> hashes (SHA256 in this case) in sources.d.n, it would be cool for us if
> rdfind / hardlink / $your_tool_here can be fed external DB hashes. And
> none of the tools I've looked at seem to do that.
Hmm, what's the point of using such a tool if you already have the hashes?
Just link the duplicates manually, it's a single line for both "ln" and
"cp --reflink".
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